Exam Preparation III [Home Work] Command Interpreter
https://judge.softuni.bg/Contests/Practice/Index/455#1
Може ли някой да ми каже къде бъркам?
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Two different things worth bringing up is that this air purifier additionally accompanies a PM2.5 Particle Sensor and Air Quality Indicator Light. read more here PM2.5 is the most hurtful sort of airborne contamination you can inhale and the pointer light changes from Blue (Good) to Green (Moderate) to Red (Poor) to tell you the present condition of the air in your home.Another top component is the Smart Sensor with a hued light pointer. It quantifies the poisons noticeable all around and consequently alters the air cleaning capacity to save money on vitality and expand channel life.